<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>01-Web前端初体验</title>
  </head>
  <body>
    <!-- 测试按钮 -->
    <button
      style="background-color: pink; font-size: 24px"
      onclick="alert('先天编程圣体')"
    >
      测试
    </button>
  </body>
</html>
